<template>
  <div>
    <h1>账号管理</h1>
    <el-button type="primary" size="default" @click="handleSetting">
      按钮
    </el-button>
    
  </div>
</template>

<script setup>
const handleSetting = ()=>{
  const el = document.documentElement
  el.style.setProperty('--el-color-primary', 'red')
}
</script>

<style lang="scss" scoped>

</style>